CCC Advanced Culinary Techniques 2

Question 1

When cooking sous vide, what is the primary food safety concern with holding proteins below 130°F (54.4°C) for extended periods?

Accepted Answer

Growth of Clostridium botulinum and other pathogens in the anaerobic environment

Answer

Loss of vitamin content in the protein

Answer

Excessive moisture loss from the product

Answer

Breakdown of collagen into gelatin

Question 2

In a classic liaison used to finish a velouté, what is the correct ratio and procedure?

Accepted Answer

Combine egg yolks and cream, temper with hot liquid, then add back without boiling

Answer

Whisk whole eggs directly into the simmering sauce

Answer

Blend butter and flour, then boil for 10 minutes

Answer

Add cold cream directly and reduce by half

Question 3

Which technique best describes cooking duck confit?

Accepted Answer

Curing the legs in salt, then slowly poaching them submerged in their own fat

Answer

Searing the legs and braising them in red wine

Answer

Smoking the legs over low heat for several hours

Answer

Deep-frying the legs at 375°F until crisp

Question 4

A chef's beurre blanc keeps breaking during service. What is the most likely cause?

Accepted Answer

The sauce is being held at too high a temperature, melting the emulsified butter

Answer

Too much acid was used in the reduction

Answer

The shallots were minced too finely

Answer

Cold butter was whisked in off the heat

Question 5

What is the purpose of 'blooming' gelatin sheets before adding them to a warm liquid?

Accepted Answer

To hydrate the gelatin so it dissolves evenly without clumping

Answer

To activate its sweetness

Answer

To remove impurities from the collagen

Answer

To strengthen its setting power at high heat

Question 6

During fabrication of a whole beef tenderloin, which portion is removed and often used for tartare or stir-fry due to its irregular shape?

Accepted Answer

The chain (side muscle)

Answer

The chateaubriand

Answer

The silverskin

Answer

The tournedos

Question 7

What distinguishes a soufflé's stability when cream of tartar is added to the egg whites?

Accepted Answer

The acid stabilizes the protein foam, reducing the risk of collapse

Answer

It adds leavening gas during baking

Answer

It increases the sugar content of the foam

Answer

It prevents the whites from whipping too quickly